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The Top 8 DevOps Interview Questions (and Answers)
Prepare for your next interview with these
The 2020s will be the decade of the DevOps engineer. This job title has become a standard in the industry and businesses are constantly looking to improve their application delivery pipelines.
Some of the high-level DevOps topics that interviews will question are the following:
- General questions — defining terms/etc.
- Version control
- Continuous integration
- Continuous testing
- Configuration management
- Continuous monitoring
- Containerization and virtualization
Here are the top eight DevOps interview questions (and answers) to prepare yourself for that interview.
Question 1
How would you define configuration as code and what security benefits does it provide? Explain the importance of rehydration as it relates to configuration as code.
Answer
a. Configuration as code can be described as managing configuration resources in your source repository. Application config resources are treated as versioned artifacts.
By managing your application environment in tandem with your application code, you gain the same benefits you get with your code.
b. Rehydration provides the ability to fully recreate a cloud environment and its resources from code in an automated fashion.
By leveraging the concept of rehydration, data in this type of environment can be restored to a new, updated instance that will have the latest infrastructure patches, configuration settings, and other related security policy settings.
Question 2
Explain the differences in cloud computing security architecture models between infrastructure as a service (IaaS), platform as a service (PaaS), platform as a service and software as a service (SaaS).
Answer
IaaS: Primarily focuses on providing data center infrastructure on-demand. Cloud-based services, pay-as-you-go services such as storage…
